Photo of clasping Venus' looking glass, a blue wildflower

    Clasping Venus’ Looking Glass

    Triodanis perfoliata (formerly Specularia perfoliata)
    Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of shining blue star flower cluster

    Shining Blue Star

    Amsonia illustris
    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

    Photo of winged loosestrife plants and flowers

    Winged Loosestrife

    Lythrum alatum